Jacob, K. T. ; Iyengar, G. N. K. (1982) Oxidation of alkaline earth sulfides to sulfates: thermodynamic aspects Metallurgical and Materials Transactions B, 13 (3). pp. 387-390. ISSN 1073-5615
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Official URL: http://www.springerlink.com/content/q74814ku165p11...
Related URL: http://dx.doi.org/10.1007/BF02667754
Abstract
The emf of the galvanic cell, Pt, Ni + NiO/(CaO) ZrO2/MS + MSO4, Ir, Pt, where M is calcium, strontium, or barium, has been measured in the temperature range 850 to 1100 K. From these measurements the Gibbs’ energy changes for the oxidation of sulfides of alkaline earth metals to their respective sulfates have been calculated. The results are compared with available thermodynamic data in the literature. The agreement varies from ±2 kJ for the strontium system to ±20 kJ in the case of barium. Trends in the stabilities of alkaline earth sulfates are discussed in relation to the properties of the cationic species involved.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The Minerals, Metals & Materials Society. |
| ID Code: | 94798 |
| Deposited On: | 03 Oct 2012 10:40 |
| Last Modified: | 03 Oct 2012 10:40 |
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